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/*
* tuxedo_keyboard.c
*
* Copyright (C) 2018 TUXEDO Computers GmbH <tux@tuxedocomputers.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#define DRIVER_NAME "tuxedo_keyboard"
#define pr_fmt(fmt) DRIVER_NAME ": " fmt
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/platform_device.h>
#include <linux/input.h>
MODULE_AUTHOR
("Christian Loritz / TUXEDO Computer GmbH <tux@tuxedocomputers.com>");
MODULE_DESCRIPTION("TUXEDO Computer Keyboard Backlight Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION("2.0.0");
/* :::: Module specific Constants and simple Macros :::: */
#define __TUXEDO_PR(lvl, fmt, ...) do { pr_##lvl(fmt, ##__VA_ARGS__); } while (0)
#define TUXEDO_INFO(fmt, ...) __TUXEDO_PR(info, fmt, ##__VA_ARGS__)
#define TUXEDO_ERROR(fmt, ...) __TUXEDO_PR(err, fmt, ##__VA_ARGS__)
#define TUXEDO_DEBUG(fmt, ...) __TUXEDO_PR(debug, "[%s:%u] " fmt, __func__, __LINE__, ##__VA_ARGS__)
#define BRIGHTNESS_MIN 0
#define BRIGHTNESS_MAX 255
#define BRIGHTNESS_DEFAULT BRIGHTNESS_MAX
#define CLEVO_EVENT_GUID "ABBC0F6B-8EA1-11D1-00A0-C90629100000"
#define CLEVO_EMAIL_GUID "ABBC0F6C-8EA1-11D1-00A0-C90629100000"
#define CLEVO_GET_GUID "ABBC0F6D-8EA1-11D1-00A0-C90629100000"
#define REGION_LEFT 0xF0000000
#define REGION_CENTER 0xF1000000
#define REGION_RIGHT 0xF2000000
#define REGION_EXTRA 0xF3000000
#define KEYBOARD_BRIGHTNESS 0xF4000000
/* All these COLOR_* macros are never used in the code, don't know why they are
here, maybe for documentation purposes. So won't delete for now */
#define COLOR_BLACK 0x000000
#define COLOR_RED 0xFF0000
#define COLOR_GREEN 0x00FF00
#define COLOR_BLUE 0x0000FF
#define COLOR_YELLOW 0xFFFF00
#define COLOR_MAGENTA 0xFF00FF
#define COLOR_CYAN 0x00FFFF
#define COLOR_WHITE 0xFFFFFF
#define KB_COLOR_DEFAULT COLOR_WHITE // Default Color: White
#define DEFAULT_BLINKING_PATTERN 0
// Submethod IDs for the CLEVO_GET WMI method
#define WMI_SUBMETHOD_ID_GET_EVENT 0x01
#define WMI_SUBMETHOD_ID_GET_AP 0x46
#define WMI_SUBMETHOD_ID_SET_KB_LEDS 0x67 /* used to set color, brightness,
blinking pattern, etc. */
// WMI Event Codes
#define WMI_KEYEVENT_CODE_DECREASE_BACKLIGHT 0x81
#define WMI_KEYEVENT_CODE_INCREASE_BACKLIGHT 0x82
#define WMI_KEYEVENT_CODE_NEXT_BLINKING_PATTERN 0x83
#define WMI_KEYEVENT_CODE_TOGGLE_STATE 0x9F
#define BRIGHTNESS_STEP 25
struct color_t {
u32 code;
char* name;
};
struct color_list_t {
uint size;
struct color_t colors[];
};
// Keyboard struct
struct kbd_led_state_t {
u8 has_extra;
u8 enabled;
struct {
u32 left;
u32 center;
u32 right;
u32 extra;
} color;
u8 brightness;
u8 blinking_pattern;
u8 whole_kbd_color;
};
struct blinking_pattern_t {
u8 key;
u32 value;
const char *const name;
};
struct platform_device *tuxedo_platform_device;
static struct input_dev *tuxedo_input_device;
// Param Validators
static int blinking_pattern_id_validator(const char *value,
const struct kernel_param *blinking_pattern_param);
static const struct kernel_param_ops param_ops_mode_ops = {
.set = blinking_pattern_id_validator,
.get = param_get_int,
};
static int brightness_validator(const char *val,
const struct kernel_param *brightness_param);
static const struct kernel_param_ops param_ops_brightness_ops = {
.set = brightness_validator,
.get = param_get_int,
};
// Module Parameters
static uint param_color_left = KB_COLOR_DEFAULT;
module_param_named(color_left, param_color_left, uint, S_IRUSR);
MODULE_PARM_DESC(color_left, "Color for the Left Region");
static uint param_color_center = KB_COLOR_DEFAULT;
module_param_named(color_center, param_color_center, uint, S_IRUSR);
MODULE_PARM_DESC(color_center, "Color for the Center Region");
static uint param_color_right = KB_COLOR_DEFAULT;
module_param_named(color_right, param_color_right, uint, S_IRUSR);
MODULE_PARM_DESC(color_right, "Color for the Right Region");
static uint param_color_extra = KB_COLOR_DEFAULT;
module_param_named(color_extra, param_color_extra, uint, S_IRUSR);
MODULE_PARM_DESC(color_extra, "Color for the Extra Region");
static ushort param_blinking_pattern = DEFAULT_BLINKING_PATTERN;
module_param_cb(mode, &param_ops_mode_ops, &param_blinking_pattern, S_IRUSR);
MODULE_PARM_DESC(mode, "Set the keyboard backlight blinking pattern");
static ushort param_brightness = BRIGHTNESS_DEFAULT;
module_param_cb(brightness, &param_ops_brightness_ops, &param_brightness,
S_IRUSR);
MODULE_PARM_DESC(brightness, "Set the Keyboard Brightness");
static bool param_state = true;
module_param_named(state, param_state, bool, S_IRUSR);
MODULE_PARM_DESC(state,
"Set the State of the Keyboard TRUE = ON | FALSE = OFF");
static struct kbd_led_state_t kbd_led_state = {
.has_extra = 0,
.enabled = 1,
.color = {
.left = KB_COLOR_DEFAULT, .center = KB_COLOR_DEFAULT,
.right = KB_COLOR_DEFAULT, .extra = KB_COLOR_DEFAULT
},
.brightness = BRIGHTNESS_DEFAULT,
.blinking_pattern = DEFAULT_BLINKING_PATTERN,
.whole_kbd_color = 7
};
static struct color_list_t color_list = {
.size = 8,
.colors = {
{ .name = "BLACK", .code = 0x000000 }, // 0
{ .name = "RED", .code = 0xFF0000 }, // 1
{ .name = "GREEN", .code = 0x00FF00 }, // 2
{ .name = "BLUE", .code = 0x0000FF }, // 3
{ .name = "YELLOW", .code = 0xFFFF00 }, // 4
{ .name = "MAGENTA", .code = 0xFF00FF }, // 5
{ .name = "CYAN", .code = 0x00FFFF }, // 6
{ .name = "WHITE", .code = 0xFFFFFF }, // 7
}
};
static struct blinking_pattern_t blinking_patterns[] = {
{ .key = 0,.value = 0,.name = "CUSTOM"},
{ .key = 1,.value = 0x1002a000,.name = "BREATHE"},
{ .key = 2,.value = 0x33010000,.name = "CYCLE"},
{ .key = 3,.value = 0x80000000,.name = "DANCE"},
{ .key = 4,.value = 0xA0000000,.name = "FLASH"},
{ .key = 5,.value = 0x70000000,.name = "RANDOM_COLOR"},
{ .key = 6,.value = 0x90000000,.name = "TEMPO"},
{ .key = 7,.value = 0xB0000000,.name = "WAVE"}
};
// Sysfs Interface Methods
// Sysfs Interface for the keyboard state (ON / OFF)
static ssize_t show_state_fs(struct device *child,
struct device_attribute *attr, char *buffer)
{
return sprintf(buffer, "%d\n", kbd_led_state.enabled);
}
// Sysfs Interface for the color of the left side (Color as hexvalue)
static ssize_t show_color_left_fs(struct device *child,
struct device_attribute *attr, char *buffer)
{
return sprintf(buffer, "%06x\n", kbd_led_state.color.left);
}
// Sysfs Interface for the color of the center (Color as hexvalue)
static ssize_t show_color_center_fs(struct device *child,
struct device_attribute *attr, char *buffer)
{
return sprintf(buffer, "%06x\n", kbd_led_state.color.center);
}
// Sysfs Interface for the color of the right side (Color as hexvalue)
static ssize_t show_color_right_fs(struct device *child,
struct device_attribute *attr, char *buffer)
{
return sprintf(buffer, "%06x\n", kbd_led_state.color.right);
}
// Sysfs Interface for the color of the extra region (Color as hexvalue)
static ssize_t show_color_extra_fs(struct device *child,
struct device_attribute *attr, char *buffer)
{
return sprintf(buffer, "%06x\n", kbd_led_state.color.extra);
}
// Sysfs Interface for the keyboard brightness (unsigned int)
static ssize_t show_brightness_fs(struct device *child,
struct device_attribute *attr, char *buffer)
{
return sprintf(buffer, "%d\n", kbd_led_state.brightness);
}
// Sysfs Interface for the backlight blinking pattern
static ssize_t show_blinking_patterns_fs(struct device *child, struct device_attribute *attr,
char *buffer)
{
return sprintf(buffer, "%d\n", kbd_led_state.blinking_pattern);
}
// Sysfs Interface for if the keyboard has extra region
static ssize_t show_hasextra_fs(struct device *child,
struct device_attribute *attr, char *buffer)
{
return sprintf(buffer, "%d\n", kbd_led_state.has_extra);
}
static int tuxedo_evaluate_wmi_method(u32 submethod_id, u32 submethod_arg, u32 * retval)
{
struct acpi_buffer acpi_input = { (acpi_size) sizeof(submethod_arg), &submethod_arg };
struct acpi_buffer acpi_output = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
acpi_status status;
u32 wmi_output;
TUXEDO_DEBUG("evaluate wmi method: %0#4x IN : %0#6x\n", submethod_id, submethod_arg);
status = wmi_evaluate_method(CLEVO_GET_GUID, 0x00, submethod_id,
&acpi_input, &acpi_output);
if (unlikely(ACPI_FAILURE(status))) {
TUXEDO_ERROR("evaluate_wmi_method error");
return -EIO;
}
obj = (union acpi_object *)acpi_output.pointer;
if (obj && obj->type == ACPI_TYPE_INTEGER) {
wmi_output = (u32) obj->integer.value;
} else {
wmi_output = 0;
}
TUXEDO_DEBUG("WMI submethod %0#4x output: %0#6x (input: %0#6x)\n",
submethod_id, wmi_output, submethod_arg);
if (likely(retval)) { /* if no NULL pointer */
*retval = wmi_output;
}
kfree(obj);
return 0;
}
static void set_brightness(u8 brightness)
{
TUXEDO_INFO("Set brightness on %d", brightness);
if (!tuxedo_evaluate_wmi_method
(WMI_SUBMETHOD_ID_SET_KB_LEDS, 0xF4000000 | brightness, NULL)) {
kbd_led_state.brightness = brightness;
}
}
static ssize_t set_brightness_fs(struct device *child,
struct device_attribute *attr,
const char *buffer, size_t size)
{
unsigned int val;
// hier unsigned?
int err = kstrtouint(buffer, 0, &val);
if (err) {
return err;
}
val = clamp_t(u8, val, BRIGHTNESS_MIN, BRIGHTNESS_MAX);
set_brightness(val);
return size;
}
static void set_enabled(u8 state)
{
u32 cmd = 0xE0000000;
TUXEDO_INFO("Set keyboard enabled to: %d\n", state);
if (state == 0) {
cmd |= 0x003001;
} else {
cmd |= 0x07F001;
}
if (!tuxedo_evaluate_wmi_method(WMI_SUBMETHOD_ID_SET_KB_LEDS, cmd, NULL)) {
kbd_led_state.enabled = state;
}
}
static ssize_t set_state_fs(struct device *child, struct device_attribute *attr,
const char *buffer, size_t size)
{
unsigned int state;
int err = kstrtouint(buffer, 0, &state);
if (err) {
return err;
}
state = clamp_t(u8, state, 0, 1);
set_enabled(state);
return size;
}
static int set_color(u32 region, u32 color)
{
u32 cset =
((color & 0x0000FF) << 16) | ((color & 0xFF0000) >> 8) |
((color & 0x00FF00) >> 8);
u32 wmi_submethod_arg = region | cset;
TUXEDO_DEBUG("Set Color '%08x' for region '%08x'", color, region);
return tuxedo_evaluate_wmi_method(WMI_SUBMETHOD_ID_SET_KB_LEDS, wmi_submethod_arg, NULL);
}
static int set_color_code_region(u32 region, u32 colorcode)
{
int err;
if (0 == (err = set_color(region, colorcode))) {
// after succesfully setting color, update our state struct
// depending on which region was changed
switch (region) {
case REGION_LEFT:
kbd_led_state.color.left = colorcode;
break;
case REGION_CENTER:
kbd_led_state.color.center = colorcode;
break;
case REGION_RIGHT:
kbd_led_state.color.right = colorcode;
break;
case REGION_EXTRA:
kbd_led_state.color.extra = colorcode;
break;
}
}
return err;
}
static int set_color_string_region(const char *color_string, size_t size, u32 region)
{
u32 colorcode;
int err = kstrtouint(color_string, 0, &colorcode);
if (err) {
return err;
}
if (!set_color(region, colorcode)) {
// after succesfully setting color, update our state struct
// depending on which region was changed
switch (region) {
case REGION_LEFT:
kbd_led_state.color.left = colorcode;
break;
case REGION_CENTER:
kbd_led_state.color.center = colorcode;
break;
case REGION_RIGHT:
kbd_led_state.color.right = colorcode;
break;
case REGION_EXTRA:
kbd_led_state.color.extra = colorcode;
break;
}
}
return size;
}
static ssize_t set_color_left_fs(struct device *child,
struct device_attribute *attr,
const char *color_string, size_t size)
{
return set_color_string_region(color_string, size, REGION_LEFT);
}
static ssize_t set_color_center_fs(struct device *child,
struct device_attribute *attr,
const char *color_string, size_t size)
{
return set_color_string_region(color_string, size, REGION_CENTER);
}
static ssize_t set_color_right_fs(struct device *child,
struct device_attribute *attr,
const char *color_string, size_t size)
{
return set_color_string_region(color_string, size, REGION_RIGHT);
}
static ssize_t set_color_extra_fs(struct device *child,
struct device_attribute *attr,
const char *color_string, size_t size)
{
return set_color_string_region(color_string, size, REGION_EXTRA);
}
static int set_next_color_whole_kb(void)
{
/* "Calculate" new to-be color */
u32 new_color_id;
u32 new_color_code;
new_color_id = kbd_led_state.whole_kbd_color + 1;
if (new_color_id >= color_list.size) {
new_color_id = 0;
}
new_color_code = color_list.colors[new_color_id].code;
TUXEDO_INFO("set_next_color_whole_kb(): new_color_id: %i, new_color_code %X",
new_color_id, new_color_code);
/* Set color on all four regions*/
// TODO: perhaps use set_color_region here, because of better struct state
// handling (or implement something like it myself)
set_color_code_region(REGION_LEFT, new_color_code);
set_color_code_region(REGION_CENTER, new_color_code);
set_color_code_region(REGION_RIGHT, new_color_code);
set_color_code_region(REGION_EXTRA, new_color_code);
kbd_led_state.whole_kbd_color = new_color_id;
return 0;
}
static void set_blinking_pattern(u8 blinkling_pattern)
{
TUXEDO_INFO("set_mode on %s", blinking_patterns[blinkling_pattern].name);
if (!tuxedo_evaluate_wmi_method(WMI_SUBMETHOD_ID_SET_KB_LEDS, blinking_patterns[blinkling_pattern].value, NULL)) {
// wmi method was succesfull so update ur internal state struct
kbd_led_state.blinking_pattern = blinkling_pattern;
}
if (blinkling_pattern == 0) { // 0 is the "custom" blinking pattern
// so just set all regions to the stored colors
set_color(REGION_LEFT, kbd_led_state.color.left);
set_color(REGION_CENTER, kbd_led_state.color.center);
set_color(REGION_RIGHT, kbd_led_state.color.right);
if (kbd_led_state.has_extra == 1) {
set_color(REGION_EXTRA, kbd_led_state.color.extra);
}
}
}
static ssize_t set_blinking_pattern_fs(struct device *child,
struct device_attribute *attr,
const char *buffer, size_t size)
{
unsigned int blinking_pattern;
int err = kstrtouint(buffer, 0, &blinking_pattern);
if (err) {
return err;
}
blinking_pattern = clamp_t(u8, blinking_pattern, 0, ARRAY_SIZE(blinking_patterns) - 1);
set_blinking_pattern(blinking_pattern);
return size;
}
static int blinking_pattern_id_validator(const char *value,
const struct kernel_param *blinking_pattern_param)
{
int blinking_pattern = 0;
if (kstrtoint(value, 10, &blinking_pattern) != 0
|| blinking_pattern < 0
|| blinking_pattern > (ARRAY_SIZE(blinking_patterns) - 1)) {
return -EINVAL;
}
return param_set_int(value, blinking_pattern_param);
}
static int brightness_validator(const char *value,
const struct kernel_param *brightness_param)
{
int brightness = 0;
if (kstrtoint(value, 10, &brightness) != 0
|| brightness < BRIGHTNESS_MIN
|| brightness > BRIGHTNESS_MAX) {
return -EINVAL;
}
return param_set_int(value, brightness_param);
}
static void tuxedo_wmi_notify(u32 value, void *context)
{
u32 key_event;
tuxedo_evaluate_wmi_method(WMI_SUBMETHOD_ID_GET_EVENT, 0, &key_event);
TUXEDO_DEBUG("WMI event (%0#6x)\n", key_event);
switch (key_event) {
case WMI_KEYEVENT_CODE_DECREASE_BACKLIGHT:
if (kbd_led_state.brightness == BRIGHTNESS_MIN
|| (kbd_led_state.brightness - 25) < BRIGHTNESS_MIN) {
set_brightness(BRIGHTNESS_MIN);
} else {
set_brightness(kbd_led_state.brightness - 25);
}
break;
case WMI_KEYEVENT_CODE_INCREASE_BACKLIGHT:
if (kbd_led_state.brightness == BRIGHTNESS_MAX
|| (kbd_led_state.brightness + 25) > BRIGHTNESS_MAX) {
set_brightness(BRIGHTNESS_MAX);
} else {
set_brightness(kbd_led_state.brightness + 25);
}
break;
// case WMI_CODE_NEXT_BLINKING_PATTERN:
// set_blinking_pattern((kbd_led_state.blinking_pattern + 1) >
// (ARRAY_SIZE(blinking_patterns) - 1) ? 0 : (kbd_led_state.blinking_pattern + 1));
// break;
case WMI_KEYEVENT_CODE_NEXT_BLINKING_PATTERN:
set_next_color_whole_kb();
break;
case WMI_KEYEVENT_CODE_TOGGLE_STATE:
set_enabled(kbd_led_state.enabled == 0 ? 1 : 0);
break;
default:
break;
}
}
static int tuxedo_wmi_probe(struct platform_device *dev)
{
int status = wmi_install_notify_handler(CLEVO_EVENT_GUID, tuxedo_wmi_notify, NULL);
// neuer name?
TUXEDO_DEBUG("clevo_xsm_wmi_probe status: (%0#6x)", status);
if (unlikely(ACPI_FAILURE(status))) {
TUXEDO_ERROR("Could not register WMI notify handler (%0#6x)\n", status);
return -EIO;
}
tuxedo_evaluate_wmi_method(WMI_SUBMETHOD_ID_GET_AP, 0, NULL);
return 0;
}
static int tuxedo_wmi_remove(struct platform_device *dev)
{
wmi_remove_notify_handler(CLEVO_EVENT_GUID);
return 0;
}
static int tuxedo_wmi_resume(struct platform_device *dev)
{
tuxedo_evaluate_wmi_method(WMI_SUBMETHOD_ID_GET_AP, 0, NULL);
return 0;
}
static struct platform_driver tuxedo_platform_driver = {
.remove = tuxedo_wmi_remove,
.resume = tuxedo_wmi_resume,
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
};
// Sysfs attribute file permissions and method linking
static DEVICE_ATTR(state, 0644, show_state_fs, set_state_fs);
static DEVICE_ATTR(color_left, 0644, show_color_left_fs, set_color_left_fs);
static DEVICE_ATTR(color_center, 0644, show_color_center_fs,
set_color_center_fs);
static DEVICE_ATTR(color_right, 0644, show_color_right_fs, set_color_right_fs);
static DEVICE_ATTR(color_extra, 0644, show_color_extra_fs, set_color_extra_fs);
static DEVICE_ATTR(brightness, 0644, show_brightness_fs, set_brightness_fs);
static DEVICE_ATTR(mode, 0644, show_blinking_patterns_fs, set_blinking_pattern_fs);
static DEVICE_ATTR(extra, 0444, show_hasextra_fs, NULL);
// register our fake input device
// from the wmi events we generate fake input events and send them up to user space
// as if the were normale sane input events or key presses
// TODO: Check if the input_device is actually used currently, maybe comment it out
// until needed
static int __init tuxedo_input_init(void)
{
int err;
tuxedo_input_device = input_allocate_device();
if (unlikely(!tuxedo_input_device)) {
TUXEDO_ERROR("Error allocating input device\n");
return -ENOMEM;
}
tuxedo_input_device->name = "TUXEDO Keyboard";
tuxedo_input_device->phys = DRIVER_NAME "/input0";
tuxedo_input_device->id.bustype = BUS_HOST;
tuxedo_input_device->dev.parent = &tuxedo_platform_device->dev;
set_bit(EV_KEY, tuxedo_input_device->evbit);
err = input_register_device(tuxedo_input_device);
if (unlikely(err)) {
TUXEDO_ERROR("Error registering input device\n");
goto err_free_input_device;
}
return 0;
err_free_input_device:
input_free_device(tuxedo_input_device);
return err;
}
static void __exit tuxedo_input_exit(void)
{
if (unlikely(!tuxedo_input_device)) {
return;
}
input_unregister_device(tuxedo_input_device);
{
tuxedo_input_device = NULL;
}
}
static int __init tuxdeo_keyboard_init(void)
{
int err;
if (!wmi_has_guid(CLEVO_EVENT_GUID)) {
TUXEDO_ERROR("No known WMI event notification GUID found\n");
return -ENODEV;
}
if (!wmi_has_guid(CLEVO_GET_GUID)) {
TUXEDO_ERROR("No known WMI control method GUID found\n");
return -ENODEV;
}
TUXEDO_INFO("Model '%s' found\n",
dmi_get_system_info(DMI_PRODUCT_NAME));
tuxedo_platform_device =
platform_create_bundle(&tuxedo_platform_driver, tuxedo_wmi_probe,
NULL, 0, NULL, 0);
if (unlikely(IS_ERR(tuxedo_platform_device))) {
TUXEDO_ERROR("Can not init Platform driver");
return PTR_ERR(tuxedo_platform_device);
}
err = tuxedo_input_init();
if (unlikely(err)) {
TUXEDO_ERROR("Could not register input device\n");
}
if (device_create_file(&tuxedo_platform_device->dev, &dev_attr_state) != 0) {
TUXEDO_ERROR("Sysfs attribute file creation failed for state\n");
}
if (device_create_file
(&tuxedo_platform_device->dev, &dev_attr_color_left) != 0) {
TUXEDO_ERROR
("Sysfs attribute file creation failed for color left\n");
}
if (device_create_file
(&tuxedo_platform_device->dev, &dev_attr_color_center) != 0) {
TUXEDO_ERROR
("Sysfs attribute file creation failed for color center\n");
}
if (device_create_file
(&tuxedo_platform_device->dev, &dev_attr_color_right) != 0) {
TUXEDO_ERROR
("Sysfs attribute file creation failed for color right\n");
}
if (set_color(REGION_EXTRA, KB_COLOR_DEFAULT) != 0) {
TUXEDO_DEBUG("Keyboard does not support EXTRA Color");
kbd_led_state.has_extra = 0;
} else {
kbd_led_state.has_extra = 1;
if (device_create_file
(&tuxedo_platform_device->dev,
&dev_attr_color_extra) != 0) {
TUXEDO_ERROR
("Sysfs attribute file creation failed for color extra\n");
}
set_color(REGION_EXTRA, param_color_extra);
}
if (device_create_file(&tuxedo_platform_device->dev, &dev_attr_extra) !=
0) {
TUXEDO_ERROR
("Sysfs attribute file creation failed for extra information flag\n");
}
if (device_create_file(&tuxedo_platform_device->dev, &dev_attr_mode) !=
0) {
TUXEDO_ERROR("Sysfs attribute file creation failed for blinking pattern\n");
}
if (device_create_file
(&tuxedo_platform_device->dev, &dev_attr_brightness) != 0) {
TUXEDO_ERROR
("Sysfs attribute file creation failed for brightness\n");
}
kbd_led_state.color.left = param_color_left;
kbd_led_state.color.center = param_color_center;
kbd_led_state.color.right = param_color_right;
kbd_led_state.color.extra = param_color_extra;
set_color(REGION_LEFT, param_color_left);
set_color(REGION_CENTER, param_color_center);
set_color(REGION_RIGHT, param_color_right);
set_blinking_pattern(param_blinking_pattern);
set_brightness(param_brightness);
set_enabled(param_state);
return 0;
}
static void __exit tuxdeo_keyboard_exit(void)
{
tuxedo_input_exit();
device_remove_file(&tuxedo_platform_device->dev, &dev_attr_state);
device_remove_file(&tuxedo_platform_device->dev, &dev_attr_color_left);
device_remove_file(&tuxedo_platform_device->dev,
&dev_attr_color_center);
device_remove_file(&tuxedo_platform_device->dev, &dev_attr_color_right);
device_remove_file(&tuxedo_platform_device->dev, &dev_attr_extra);
device_remove_file(&tuxedo_platform_device->dev, &dev_attr_mode);
device_remove_file(&tuxedo_platform_device->dev, &dev_attr_brightness);
if (kbd_led_state.has_extra == 1) {
device_remove_file(&tuxedo_platform_device->dev,
&dev_attr_color_extra);
}
platform_device_unregister(tuxedo_platform_device);
platform_driver_unregister(&tuxedo_platform_driver);
TUXEDO_DEBUG("exit");
}
module_init(tuxdeo_keyboard_init);
module_exit(tuxdeo_keyboard_exit);
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